166744746100 has 18 divisors (see below), whose sum is σ = 361836099254. Its totient is φ = 66697898400.

The previous prime is 166744746059. The next prime is 166744746163. The reversal of 166744746100 is 1647447661.

It can be written as a sum of positive squares in 3 ways, for example, as 51136585956 + 115608160144 = 226134^2 + 340012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 833723631 + ... + 833723830.

Almost surely, 2^166744746100 is an apocalyptic number.

166744746100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166744746100 is an abundant number, since it is smaller than the sum of its proper divisors (195091353154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166744746100 is a wasteful number, since it uses less digits than its factorization.

166744746100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667447475 (or 1667447468 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 166744746100 in words is "one hundred sixty-six billion, seven hundred forty-four million, seven hundred forty-six thousand, one hundred".